140598 has 24 divisors (see below), whose sum is σ = 311688. Its totient is φ = 45792.

The previous prime is 140593. The next prime is 140603. The reversal of 140598 is 895041.

It is an interprime number because it is at equal distance from previous prime (140593) and next prime (140603).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140598.

It is not an unprimeable number, because it can be changed into a prime (140593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1261 + ... + 1367.

It is an arithmetic number, because the mean of its divisors is an integer number (12987).

2¹⁴⁰⁵⁹⁸ is an apocalyptic number.

140598 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

140598 is an abundant number, since it is smaller than the sum of its proper divisors (171090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140598 is a wasteful number, since it uses less digits than its factorization.

140598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 140598 is about 374.9639982718. The cubic root of 140598 is about 51.9987672292.

Adding to 140598 its sum of digits (27), we get a square (140625 = 375²).

The spelling of 140598 in words is "one hundred forty thousand, five hundred ninety-eight".